DTC TABLE


BME070201038202

DTC

Possible cause

Page

B1317
Input voltage high
(See DTC B1317)
B1318
Input voltage low
(See DTC B1318)
B1342
Malfunction in water heater unit
B2449
Glow plug circuit short to ground
B2450
Glow plug circuit open
B2451
Fuel pump circuit short to ground
B2452
Fuel pump circuit open
B2453
Blower fan circuit short to ground
B2454
Blower fan circuit open
B2463
Overheat
B2537
Water heater system does not start
B2538
Unstable flame
B2547
Flame prior to operation
B2548
Water heater lockout mode
(See DTC B2548)

* :
If a DTC not listed above is detected, there is a water heater malfunction, and the water heater must be replaced.